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| author | Anand Jain <Anand.Jain@oracle.com> | 2014-07-30 14:04:07 +0200 |
|---|---|---|
| committer | Chris Mason <clm@fb.com> | 2014-09-17 22:37:57 +0200 |
| commit | 3f4b57e09d6cbd97f92311a801e1b83992506dcd (patch) | |
| tree | 02fe2d81c35a651061a1802d7687639f7dcd5226 | |
| parent | Btrfs: avoid unnecessary switch of path locks to blocking mode (diff) | |
| download | linux-3f4b57e09d6cbd97f92311a801e1b83992506dcd.tar.xz linux-3f4b57e09d6cbd97f92311a801e1b83992506dcd.zip | |
btrfs: use BTRFS_ATTR instead of btrfs_no_store()
we have BTRFS_ATTR define to create sysfs RO file, use that.
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to '')
| -rw-r--r-- | fs/btrfs/sysfs.c | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index 82a968fdfd80..e6a851b9ae34 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -403,13 +403,6 @@ static ssize_t btrfs_label_store(struct kobject *kobj, } BTRFS_ATTR_RW(label, 0644, btrfs_label_show, btrfs_label_store); -static ssize_t btrfs_no_store(struct kobject *kobj, - struct kobj_attribute *a, - const char *buf, size_t len) -{ - return -EPERM; -} - static ssize_t btrfs_nodesize_show(struct kobject *kobj, struct kobj_attribute *a, char *buf) { @@ -418,7 +411,7 @@ static ssize_t btrfs_nodesize_show(struct kobject *kobj, return snprintf(buf, PAGE_SIZE, "%u\n", fs_info->super_copy->nodesize); } -BTRFS_ATTR_RW(nodesize, 0444, btrfs_nodesize_show, btrfs_no_store); +BTRFS_ATTR(nodesize, 0444, btrfs_nodesize_show); static ssize_t btrfs_sectorsize_show(struct kobject *kobj, struct kobj_attribute *a, char *buf) @@ -428,7 +421,7 @@ static ssize_t btrfs_sectorsize_show(struct kobject *kobj, return snprintf(buf, PAGE_SIZE, "%u\n", fs_info->super_copy->sectorsize); } -BTRFS_ATTR_RW(sectorsize, 0444, btrfs_sectorsize_show, btrfs_no_store); +BTRFS_ATTR(sectorsize, 0444, btrfs_sectorsize_show); static ssize_t btrfs_clone_alignment_show(struct kobject *kobj, struct kobj_attribute *a, char *buf) @@ -438,7 +431,7 @@ static ssize_t btrfs_clone_alignment_show(struct kobject *kobj, return snprintf(buf, PAGE_SIZE, "%u\n", fs_info->super_copy->sectorsize); } -BTRFS_ATTR_RW(clone_alignment, 0444, btrfs_clone_alignment_show, btrfs_no_store); +BTRFS_ATTR(clone_alignment, 0444, btrfs_clone_alignment_show); static struct attribute *btrfs_attrs[] = { BTRFS_ATTR_PTR(label), |